Factor Info

ID 21368
Size 572 digits / 1898 bits
Status composite
Value 15181919931313528202428919318576900974161730656701873279344875893211550812013131408316659751929725589651042190164227551097035864326133744940459726187527210283170394310412019962734912895636514903636290161540161852894982107483187575595008980558478271046806507731059555589008012150411838379424149388270649146131727274364351881027445197091975823399897094577448018024201120382892995047488037376799194548201796751320797164851284059756328881957523081045942541086341550238544384526190601747440413760969449340752730918463512477153401849773078520456977187862666484375621705795045261

Factorizations

Primary (ID: 16381) 14075563135476669013895019180975816431 (proven prime)
(ID: 29805) 1078601245661592665668752201375636388295445522262518241779220562329415585266872704480258485387384129521533611713406725523363680497564243407765869927728358811367533783123778415811644582087341377624015681274598897992241758507313527275838615715467039016292207492898197641237009596176618724745171794793871589901685682488541546726732618113147870690286044762746540743433292733855171838223394373522496863080604063890406368032654688229595922281819365794584730320497488710743085265919209888206436047666169992079374899219241023351834460173508931 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.